Corrosion behavior of Fe-Cr-Ni based alloys exposed to molten MgCl2-KCl-NaCl salt with over-added Mg corrosion inhibitor

Mehos M, Turchi C, Vidal J, Wagner M, Ma Z, Ho C, Kolb W, Andraka C, Kruizenga A. Concentrating Solar Power Gen3 Demonstration Roadmap. National Renewable Energy Lab. (NREL), Technical Report, 2017 Ding W, Bauer T. Progress in research and development of molten chloride salt technology for next generation concentrated solar power plants. Engineering (Beijing), 2021, 7(3): 334–347 IRENA. Renewable Power Generation Costs in 2020. Abu Dhabi: International Renewable Energy Agency, 2021 Romero M, González-Aguilar J. Solar thermal CSP technology. Wiley Interdisciplinary Reviews. Energy and Environment, 2014, 3(1): 42–59 Nunes V M B, Queirós C S, Lourenço M J V, Santos F J V, Nieto de Castro C A. Molten salts as engineering fluids—a review: Part I. Molten alkali nitrates. Applied Energy, 2016, 183: 603–611 Turchi C S, Vidal J, Bauer M. Molten salt power towers operating at 600–650 °C: salt selection and cost benefits. Solar Energy, 2018, 164: 38–46 Bonk A, Sau S, Uranga N, Hernaiz M, Bauer T. Advanced heat transfer fluids for direct molten salt line-focusing CSP plants. Progress in Energy and Combustion Science, 2018, 67: 69–87 Carrillo A J, González-Aguilar J, Romero M, Coronado J M. Solar energy on demand: a review on high temperature thermochemical heat storage systems and materials. Chemical Reviews, 2019, 119(7): 4777–4816 Turchi C, Gage S, Martinek J, Jape S, Armijo K, Coventry J, Pye J, Asselineau C-A, Venn F, Logie W. CSP Gen3: Liquid-Phase Pathway to SunShot. National Renewable Energy Lab. (NREL), Technical Report, 2021 Zhao Y. Molten Chloride Thermophysical Properties, Chemical Optimization, and Purification. National Renewable Energy Lab. (NREL), Technical Report, 2020 Villada C, Ding W, Bonk A, Bauer T. Engineering molten MgCl2-KCl-NaCl salt for high-temperature thermal energy storage: review on salt properties and corrosion control strategies. Solar Energy Materials and Solar Cells, 2021, 232: 111344 Ding W, Bonk A, Bauer T. Corrosion behavior of metallic alloys in molten chloride salts for thermal energy storage in concentrated solar power plants: a review. Frontiers of Chemical Science and Engineering, 2018, 12(3): 564–576 Sun H, Wang J, Li Z, Zhang P, Su X. Corrosion behavior of 316SS and Ni-based alloys in a ternary NaCl-KCl-MgCl2 molten salt. Solar Energy, 2018, 171: 320–329 Anderson M, Sridharan K, Morgan D, Peterson P, Calderoni P, Scheele R, Casekka A, McNamara B. Heat Transfer Salts for Nuclear Reactor Systems-Chemistry Control, Corrosion Mitigation, and Modeling. University of Wisconsin, Madison, WI; University of California, Berkeley; Pacific Northwest National Lab, Richland, WA. Technical Report, 2015 Sun H, Wang J Q, Tang Z, Liu Y, Wang C. Assessment of effects of Mg treatment on corrosivity of molten NaCl–KCl–MgCl2 salt with Raman and infrared spectra. Corrosion Science, 2020, 164: 108350 Ding W, Shi H, Xiu Y, Bonk A, Weisenburger A, Jianu A, Bauer T. Hot corrosion behavior of commercial alloys in thermal energy storage material of molten MgCl2/KCl/NaCl under inert atmosphere. Solar Energy Materials and Solar Cells, 2018, 184: 22–30 Mortazavi A, Zhao Y, Esmaily M, Allanore A, Vidal J, Birbilis N. High-temperature corrosion of a nickel-based alloy in a molten chloride environment—the effect of thermal and chemical purifications. Solar Energy Materials and Solar Cells, 2022, 236: 111542 Mayes R T, Kurley J M, Halstenberg P W, McAlister A, Sulejmanovic D, Raiman S, Dai S, Pint B. Purification of Chloride Salts for Concentrated Solar Applications. Oak Ridge National Laboratory (ORNL), Technical Report, 2018 Kipouros G J, Sadoway D R. A thermochemical analysis of the production of anhydrous MgCl2. Journal of Light Metals, 2001, 1(2): 111–117 Grégoire B, Oskay C, Meißner T, Galetz M. Corrosion mechanisms of ferritic-martensitic P91 steel and Inconel 600 nickel-based alloy in molten chlorides. Part II: NaCl-KCl-MgCl2 ternary system. Solar Energy Materials and Solar Cells, 2020, 216: 110675 Ren S, Chen Y, Ye X X, Jiang L, Yan S, Liang J, Yang X, Leng B, Li Z, Chen Z, Dai Z. Corrosion behavior of carburized 316 stainless steel in molten chloride salts. Solar Energy, 2021, 223: 1–10 Zhao Y, Klammer N, Vidal J. Purification strategy and effect of impurities on corrosivity of dehydrated carnallite for thermal solar applications. RSC Advances, 2019, 9(71): 41664–41671 D’Souza B, Zhuo W, Yang Q, Leong A, Zhang J. Impurity driven corrosion behavior of HAYNES® 230® alloy in molten chloride salt. Corrosion Science, 2021, 187: 109483 Pint B A, McMurray J W, Willoughby A W, Kurley J M, Pearson S R, Lance M J, Leonard D N, Meyer H M, Jun J, Raiman S S, Mayes R T. Re-establishing the paradigm for evaluating halide salt compatibility to study commercial chloride salts at 600–800 °C. Materials and Corrosion, 2019, 70(8): 1439–1449 Pint B. Progression to Compatibility Evaluations in Flowing Molten Salts. Oak Ridge National Laboratory (ORNL), Technical Report, 2020 Hanson K, Sankar K M, Weck P F, Startt J K, Dingreville R, Deo C S, Sugar J D, Singh P M. Effect of excess Mg to control corrosion in molten MgCl2 and KCl eutectic salt mixture. Corrosion Science, 2022, 194: 109914 Ding W, Shi H, Jianu A, Xiu Y, Bonk A, Weisenburger A, Bauer T. Molten chloride salts for next generation concentrated solar power plants: mitigation strategies against corrosion of structural materials. Solar Energy Materials and Solar Cells, 2019, 193: 298–313 Zhao Y, Vidal J. Potential scalability of a cost-effective purification method for MgCl2-containing salts for next-generation concentrating solar power technologies. Solar Energy Materials and Solar Cells, 2020, 215: 110663 Gong Q, Shi H, Chai Y, Yu R, Weisenburger A, Wang D, Bonk A, Bauer T, Ding W. Molten chloride salt technology for next-generation CSP plants: compatibility of Fe-based alloys with purified molten MgCl2–KCl–NaCl salt at 700 °C. Applied Energy, 2022, 324: 119708 Kurley J M, Halstenberg P W, McAlister A, Raiman S, Dai S, Mayes R T. Enabling chloride salts for thermal energy storage: implications of salt purity. RSC Advances, 2019, 9(44): 25602–25608 Ding W, Yang F, Bonk A, Bauer T. Molten chloride salts for high-temperature thermal energy storage: continuous electrolytic salt purification with two Mg-electrodes and alternating voltage for corrosion control. Solar Energy Materials and Solar Cells, 2021, 223: 110979 Ding W, Gomez-Vidal J, Bonk A, Bauer T. Molten chloride salts for next generation CSP plants: electrolytical salt purification for reducing corrosive impurity level. Solar Energy Materials and Solar Cells, 2019, 199: 8–15 Johnson T, Teats F, Pierce R D. A Method for the Purification of Molten Chloride Salts. Argonne National Laboratory (ANL), Technical Report, 1969 Zhang M, Ge J, Yin T, Zhang J. Redox potential measurements of Cr(II)/Cr Ni(II)/Ni and Mg(II)/Mg in molten MgCl2–KCl–NaCl mixture. Journal of the Electrochemical Society, 2020, 167(11): 116505 Sun H, Zhang P, Wang J. Effects of alloying elements on the corrosion behavior of Ni-based alloys in molten NaCl–KCl–MgCl2 salt at different temperatures. Corrosion Science, 2018, 143: 187–199 Ambrosek J W. Molten chloride salts for heat transfer in nuclear systems. Dissertation for the Doctoral Degree. Madison-Wisconsin: University of Wisconsin-Madison, 2011, 1–238 Kumar S, Wu C. Eliminating intermetallic compounds via Ni interlayer during friction stir welding of dissimilar Mg/Al alloys. Journal of Materials Research and Technology, 2021, 15: 4353–4369 Shah L H, Gerlich A, Zhou Y. Design guideline for intermetallic compound mitigation in Al–Mg dissimilar welding through addition of interlayer. International Journal of Advanced Manufacturing Technology, 2018, 94(5–8): 2667–2678 Varin R A, Czujko T, Mizera J. The effect of MgNi2 intermetallic compound on nanostructurization and amorphization of Mg–Ni alloys processed by controlled mechanical milling. Journal of Alloys and Compounds, 2003, 354(1): 281–295 Elthalabawy W, Khan T. Liquid phase bonding of 316L stainless steel to AZ31 magnesium alloy. Journal of Materials Science and Technology, 2011, 27(1): 22–28 Wang S, Han W, Zhang M, Li M, Yang X, Sun Y. Electrochemical behaviour of magnesium(II) on Ni electrode in LiCl-KCl eutectic. Chemical Research in Chinese Universities, 2018, 34(1): 107–112 Zhu F. Microstructural evolution in austenitic stainless steels for extended-life power station applications. Dissertation for Doctoral Degree. Loughborough: Loughborough University, 2011, 1–173 Yamamoto Y, Brady M P, Lu Z P, Maziasz P J, Liu C T, Pint B A, More K L, Meyer H, Payzant E A. Creep-resistant, Al2O3-forming austenitic stainless steels. Science, 2007, 316(5823): 433–436 Endo H. The densities of magnesium at its melting point. Bulletin of the Chemical Society of Japan, 1927, 2(5): 131–134 McGonigal P J, Kirshenbaum A D, Grosse A V. The liquid temperature range, density, and critical constants of magnesium. Journal of Physical Chemistry, 1962, 66(4): 737–740 Wang X, Rincon J D, Li P, Zhao Y, Vidal J. Thermophysical properties experimentally tested for NaCl–KCl–MgCl2 eutectic molten salt as a next-generation high-temperature heat transfer fluids in concentrated solar power systems. Journal of Solar Energy Engineering, 2021, 143(4): 041005–1, 041005–041008 Mezbahul-Islam M, Medraj M. A critical thermodynamic assessment of the Mg–Ni, Ni–Y binary and Mg–Ni–Y ternary systems. Calphad, 2009, 33(3): 478–486 Ansara I, Dinsdale A, Rand M. Thermochemical database for light metal alloys. Office for Official Publications of the European Communities, 1998 Gong Q, Ding W, Chai Y, Bonk A, Steinbrecher J, Bauer T. Chemical analysis and electrochemical monitoring of extremely low-concentration corrosive impurity MgOHCl in molten MgCl2–KCl–NaCl. Frontiers in Energy Research, 2022, 10: 811832 Robb K, Baird S, Massengale J, Hoyt N, Guo J, Moore C. Engineering-Scale Batch Purification of Ternary MgCl2–KCl–NaCl Salt Using Thermal and Magnesium Contact Treatment. Oak Ridge National Lab. (ORNL), Technical Report, 2022